// Changes the background colour on hover

var rows = document.getElementsByTagName('tr');
for ( var i = 0; i < rows.length; i++ ) {
	rows[i].onmouseover = function() {
		this.className += 'hilite';
	}
	rows[i].onmouseout = function() {
		this.className = this.className.replace('hilite', '');
	}
}